1421320024434 has 16 divisors (see below), whose sum is σ = 2843029059840. Its totient is φ = 473708506320.

The previous prime is 1421320024391. The next prime is 1421320024459. The reversal of 1421320024434 is 4344200231241.

It is a super-2 number, since 2×1421320024434² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16161282 + ... + 16248989.

It is an arithmetic number, because the mean of its divisors is an integer number (177689316240).

Almost surely, 2^{1421320024434} is an apocalyptic number.

1421320024434 is an abundant number, since it is smaller than the sum of its proper divisors (1421709035406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421320024434 is a wasteful number, since it uses less digits than its factorization.

1421320024434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32417585.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1421320024434 its reverse (4344200231241), we get a palindrome (5765520255675).

The spelling of 1421320024434 in words is "one trillion, four hundred twenty-one billion, three hundred twenty million, twenty-four thousand, four hundred thirty-four".